Yuko Natsuki, a rookie reporter for an occult magazine, sees a girl's spirit in a "cursed apartment" she visited for coverage. Rei Aiko, the spirit of a girl who massacres humans who step into the apartment. In a curse stretched like a spider web, Aiko continues to grow on the death of humans. Is there any way for Yuko to survive the curse!? The manga adaptation of the popular suspense horror novel from the novel posting site estar!